<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="绘本名称" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="频道名称" prop="channelName">
        <el-input
          v-model="queryParams.channelName"
          placeholder="请输入频道名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item label="文章标记" prop="flag">
        <el-input
          v-model="queryParams.flag"
          placeholder="请输入文章标记"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="createdArticle"
          v-hasPermi="['system:article:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:article:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:article:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:article:export']"
        >导出</el-button>
      </el-col>
	  <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="绘本名称" align="center" prop="title" width="180"/>
      <el-table-column label="频道名称" align="center" prop="channelName" />
      <el-table-column label="文章标签" align="center" prop="labels" />
      <el-table-column label="描述" align="center" prop="description"/>
      <el-table-column label="点赞数量" align="center" prop="likes" />
      <el-table-column label="收藏数量" align="center" prop="collection" />
      <el-table-column label="评论数量" align="center" prop="comment" />
      <el-table-column label="阅读数量" align="center" prop="views" />
      <el-table-column label="上传原文" align="center" prop="isDownLoad" :formatter="dataIsDownLoad"/>
      <el-table-column label="发布时间" align="center" prop="publishTime" >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.publishTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:article:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:article:remove']"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-upload"
            @click="handleOpenUpload(scope.row)"
            v-hasPermi="['system:article:edit']"
          >上传素材</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章信息，存储已发布的文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="频道名称" prop="channelId" required>
          <el-select v-model="form.channelId" placeholder="请输入频道名称">
            <el-option v-for="item in channels" :key="item.id" :label="item.name" :value="item.id" :disabled="item.status == 1"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章布局" prop="layout">
          <el-input v-model="form.layout" placeholder="请输入文章布局" />
        </el-form-item>
        <el-form-item label="文章标签" prop="labels">
          <el-input v-model="form.labels" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入描述信息" />
        </el-form-item>  
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

<!-- 上传素材 -->
    <el-dialog :title="title" :visible.sync="uploadOpen" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        
       <el-form-item label="上传" prop="field">
            <el-upload ref="field" :file-list="fieldfileList" :action="fieldAction" multiple :before-upload="fieldBeforeUpload"
              list-type="picture-card" :http-request="fileUpload">
              <i class="el-icon-plus"></i>
            </el-upload>
          </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { listArticle, fileUpload,getArticle, delArticle, addArticle, updateArticle, exportArticle } from "@/api/article/article";
 import {
    listChannel
  } from '@/api/article/channel.js'
import {addDownload} from '@/api/article/download.js'  
export default {
  name: "Article",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      channels: [],
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章信息，存储已发布的文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      uploadOpen:false,
      fieldAction:"",
      fieldfileList:[],
      rowid:-1,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        authorId: null,
        authorName: null,
        channelId: null,
        channelName: null,
        layout: null,
        flag: null,
        labels: null,
        provinceId: null,
        cityId: null,
        countyId: null,
        publishTime: null,
        syncStatus: null,
        origin: null,
        orderByColumn:"createdTime",
        isAsc:"desc"
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /**数据格式化 */
    dataIsDownLoad(row,column){
        return row.isDownLoad ? "已上传":"未上传"
    },
    /**上传素材原文 */
    handleOpenUpload(row){
        this.title="上传素材文件";
        this.uploadOpen=true;
        this.rowid = row.id;
    },
    /**上传素材文件 */
    fileUpload(param) {
      console.log(param);
        fileUpload(param).then(res => {
          this.saveDownload({"articleId":this.rowid,"url":res.msg});
        })
      },
  /**
   * 保存下载路径到数据库
   */
    saveDownload(data) {
      addDownload(data).then(res=>{
          if(res.code === 200){
            this.msgSuccess("上传成功");
            this.cancel();
          }
      })
    },
      fieldBeforeUpload(file) {
        let isRightSize = file.size / 1024 / 1024 < 20
        if (!isRightSize) {
          this.$message.error('文件大小超过 20MB')
        }
        return isRightSize
      },
    /** 查询文章信息，存储已发布的文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.uploadOpen = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        authorId: null,
        authorName: null,
        channelId: null,
        channelName: null,
        layout: null,
        flag: null,
        labels: null,
        likes: 0,
        collection: 0,
        comment: 0,
        views: 0,
        provinceId: null,
        cityId: null,
        countyId: null,
        createdTime: null,
        publishTime: null,
        syncStatus: 0,
        origin: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章信息";
    },

    createdArticle(){
      this.$router.push("/article/create/createArticle")
    },

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getChannels();
      const id = row.id || this.ids
      getArticle(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addArticle(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除文章信息编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delArticle(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有文章数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportArticle(queryParams);
        }).then(response => {
          this.download(response.msg);
        }).catch(function() {});
    },
    getChannels() {
      listChannel().then((response) => {
        this.channels = response.rows
      });
    }
  }
};
</script>
